Add DTIPrep extension

See issue #185
Merge pull request #186 from fedorov/update-Reporting

Reporting - improvements and bug fixes
Update ITKv4.4, BRAINSFit, DTIProcess and ResampleDTIlogEuclidean versions for windows compilation
Merge pull request #187 from adrienkaiser/update-DTIAtlasBuilder

Update ITKv4.4, BRAINSFit, DTIProcess and ResampleDTIlogEuclidean versions for windows compilation
ENH: DTIProcess tests now build with MS Visual Studio 2008
Merge pull request #189 from booboo69500/update-DTIProcess

ENH: DTIProcess tests now build and pass with MS Visual Studio 2008
ENH: Updated SlicerRT: Release 0.8.0. New Contour Morphology module; Importing of RT Plan beams; Various fixes. See more info at https://www.assembla.com/code/slicerrt/subversion/changesets/compare/519..584
ENH: Updated SlicerRT: Release 0.8.0. New Contour Morphology module; Importing of RT Plan beams; Various fixes. See more info at https://www.assembla.com/code/slicerrt/subversion/changesets/compare/519..584
Merge pull request #191 from SlicerRt/update-SlicerRT

ENH: Updated SlicerRT: Release 0.8.0. New Contour Morphology module; Importing of RT Plan beams; Various fixes. See more info at https://www.assembla.com/code/slicerrt/subversion/changesets/compare/519..584
Add UKFTractography extension

See issue #171
Merge pull request #193 from pnlbwh/171-add-UKFTractography

Add UKFTractography extension
Recommend "Pull request" for s4ext submission
Fix typo in README file
COMP: Fix windows tests compilation and linking
Merge pull request #195 from adrienkaiser/update-DTIAtlasBuilder

COMP: Fix windows tests compilation and linking
ENH: DTIProcess packaging system has been simplified
ENH: DTIProcess packaging system has been simplified
ENH: FiberViewerLight packaging system has been simplified
ENH: DTIAtlasFiberAnalyzer now packages on Windows
COMP: Update FFTW download and install for windows and SlicerExecutionModel version